For its three investment centers, Gerrard Company accumulates the following data:

		I		II		III
Sales		$1,980,000		$3,997,000		$3,946,000
Controllable margin		945,630		1,990,500		4,754,100
Average operating assets		4,977,000		7,962,000		12,190,000

The centers expect the following changes in the next year: (I) increase sales 20%; (II) decrease costs $352,000; (III) decrease average operating assets $495,000. Compute the expected return on investment (ROI) for each center. Assume center I has a controllable margin percentage of 78%. (Round ROI to 1 decimal place, e.g. 1.5.)

		I		II		III
The expected return on investment		%		%		%